Home / 30,336,246.30-45,504,369.45-10,138,863.90

Finding the Fourth Proportional to 30,336,246.30, 45,504,369.45 and 10,138,863.90

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Solution

The fourth proportional to 30,336,246.30, 45,504,369.45 and 10,138,863.90 is: 15,208,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336,246.30 : 45,504,369.45 = 10,138,863.90 : x
  2. Step 2: Convert to fraction form
    30,336,246.30/45,504,369.45 = 10,138,863.90/x
  3. Step 3: Cross multiply
    30,336,246.30x = 45,504,369.45 × 10,138,863.90
  4. Step 4: Simplify right side
    30,336,246.30x = 461,362,608,708,867.88
  5. Step 5: Solve for x
    x = 461,362,608,708,867.88/30,336,246.30
  6. Step 6: Final answer
    x = 15,208,295.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.